php permutations

PHP array of all permutations, elements of all combinations of methods, PHP arrays In this paper, we describe the method of all the combinations of elements in the PHP array. Share to everyone for your reference, as follows: "; Output the first

A time before a party chatting to a problem, is to give you a row of arrays, such as 1,2,3,4,5, how to efficiently get all the permutations of the above series, happened to be nothing, studied a bit, at first thought is a very simple problem, began

PHP // // _ooooo_// o8888888o// 88 ". "88// (| -_- |) o\ = /o// ____/'---' \____// . ' \\| | // `.// / \\||| : ||| /

An algorithm for generating permutations of a PHP implementation $v) {$tmp = $index; Unset ($tmp [$i]); Remove the current prefix/* Debug information for easy comprehension of echo "Len $n, cur $i, index:\n";

How do I get this combination? Get the result of permutations and combinations Properties: Color red, yellow, blue .... Big size, small .... Capacity 1g,2g,3g,5g ... 。。。。。。。。。 All combinations of property values are required: such as red big, red

How do I get this combination? Get the result of permutations and combinations Properties: Color red, yellow, blue .... Big size, small .... Capacity 1g,2g,3g,5g ... 。。。。。。。。。 All combinations of property values are required: such as red big, red

The example of this article describes the method of PHP to find all array of arrays, all combinations of elements. Share to everyone for your reference, specific as follows: ";//output The first combination while (true) { $y =

For the use of PHP recursive functions, share several PHP Recursive FunctionsExample, in PHP programming, using recursive function calls is very common, recursive function is good, can improve code efficiency, through example learning the use of PHP

In this paper, we describe the method of all the combinations of elements in the PHP array. Share to everyone for your reference, as follows: "; Output the first combination while (true) { $y = $x--;//two elements adjacent if ($source [$x]

This time to bring you the PHP recursive function how to use, the use of PHP recursive function of the considerations are what, the following is the actual case, together to see. For the use of PHP recursive functions, share several examples of PHP